Albert Einstein on The Secret Doctrine

“It's a very strange book and I've even told professor Heisenberg, my fellow physicist, to get a copy and keep it on his desk. I urged him to dip into it when he’s handicapped by some problem. The strangeness of this book may relax or possibly inspire him.”

“I will admit that I find some interesting observations in her book which was published as you know, back in 1888, at a time when physics and science were in their swaddling clothes... I'm astonished how much in keeping it is with modern Physics... There are many other significant statements of hers which I find interesting, but for which i have no time to discuss now.”